Technical description: Cocus wood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Original named mouthpiece marked for a ligature. Tuning slide in barrel and between the sections. Straight speaker. No tube in thumb-hole. Barret action. Alternative touchpiece for C♯₄/G♯₅. Patent C sharp. 13 keys, 4 rings, 6 black ebonite rollers.
L0: T; speaker.
L1: T; throat A♮.
L2: T + ring; throat A♭.
L3: T + ring; cross E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅.
R1: T; Barret action (side E♭₄/B♭₅; side F₄/C₆); side trill key for throat A-B♮ and B♭-C; alternative touchpiece for C♯₄/G♯₅.
R2: T + spectacle.
R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅.
R4: G♯₃/E♭₅; F₃/C₅.
Keymount type: screwed in pillars.
Keyhead type: modern.